it looks like you're about to kill someone for speaking in the library
Reminds me of a joke:
Irishman* walks into a library and goes to the librarian
Irishman: [loud voice]"Can I have a pint of beer and a packet of cheese & onion crisps** please"[/loud voice]
Librarian: [slightly annoyed and stern voice]"This is a library!"[/slightly annoyed and stern voice]
Irishman:[hushed voice]"Sorry, can I have a pint of beer and a packet of cheese & onion crisps please."[/hushed voice]
*Insert nationality most suitable as the butt of jokes in your country.
**Potato chips for the American members.